Question

What is the scratch test used to determine?

• A. Viral infection
• B. Fungal infection
• C. Allergic infection
• D. Bacterial infection

Answer 1

Answer: (C)

Allergic infection

• A skin prick test, also called a puncture or scratch test, checks for immediate allergic reactions to approximately 40 different substances at once.
• This test checks for a skin reaction to common allergy provoking substances, such as foods, moulds, dust, plants, or animal proteins.
• If your skin reacts to a substance, chances are that you are allergic to it.
  

So, the correct answer is option C.